baber/WOPTO huggingface dataset:
Patent GB-1501390-A (GB)
Title: Vehicle cabs
IPC: B62D33/06
Filed: 1975-12-24
Abstract: 1501390 Vehicle cab Structure ERF Ltd 24 Dec 1975 [24 Sept 1974] 41582/74 Heading B7B In a vehicle cab a plurality of panel members, such as a roof panel 11, a back panel assembly 7, and front panel assembly 3, 4, 6, 5, are bolted to a frame 1 by means of bosses integral with the panel members. The bosses (30), Fig. 2 (not shown), receive bolts (32) for securement to the frame 1 or to an adjacent panel. The panels are formed from a compound such as glassreinforced resin and hot-pressed in a mould.
Patent GB-978292-A (GB)
Title: Sizing agents for paper-making
IPC: D21H17/34
Filed: 1960-12-02
Abstract: Sizing agents, especially sizing agents in the form of emulsions for paper-making, are made by reacting petroleum resin, a polymerizate of unsaturated hydrocarbons of petroleum origin, with maleic anhydride to form an addition product, adding as emulsifying agent tall oil or the maleic anhydride addition product of tall oil or fatty acid of tall oil, saponifying the mixture with alkali, e.g. potassium hydroxide, and dispersing the saponified product in water, the respective amounts of the ingredients being 70-90 parts of petroleum resin, 10-30 parts of tall oil or derivative thereof and 1-10 parts of maleic anhydride. The petroleum resin-maleic anhydride product may contain free resin.  A part only of the mixed resin-maleic anhydride product and emulsifying agent may be saponified.ALSO:Sizing agents, especially sizing agents in the form of emulsions for paper-making, are made by reacting petroleum resin, a polymerizate of unsaturated hydrocarbons of petroleum origin, with maleic anhydride to form an addition product, adding an emulsifying agent of tall oil or maleic anhydride addition product of tall oil or fatty acid of tall oil, saponifying the mixture with alkali, e.g. potassium hydroxide, and dispersing the saponified product in water, the respective amounts of the ingredients being 70-90 parts of petroleum resin, 10-30 parts of tall oil or derivative thereof and 1-10 parts of maleic anhydride. The petroleum resin-maleic anhydride product may contain free p resin.  A part only of the mixed resin-maleic anhydride product and emulsifying agent may be saponified.
Patent GB-1063463-A (GB)
Title: Treatment of reticulated polyurethanes
IPC: B29C67/20
Filed: 1964-10-12
Abstract: A reticulated celliform isocyanate-derived polymer material with polymeric strands defining the cells, which has been subjected to a heat treatment such that at least the surfaces of the polymer strands have been melted, is compressed and heated until the polymer strands are interbonded, thus forming a compressed product which is flexible and porous. The starting material has preferably been reticulated by heat treatment by one of the processes described in Specification 1,063,462. The polymer may be a polyurethane derived from a polyester prepared by reaction of a polyfunctional acid such as adipic, phthalic or maleic acid with a polyfunctional alcohol such as ethylene glycol or glycerine.ALSO:A polyester polyurethane foam, reticulated by gaseous combustion, is compressed and heated until the polymer strands are interbonded, and then impregnated with a solution of nylon in a 1:1 methanol-methylene chloride solvent mixture and allowed to dry, thus producing a nylon coating strongly bonded to the celliform structure of the polyurethane.
Patent GB-1136697-A (GB)
Title: Grinding machine
IPC: B24B5/16
Filed: 1967-09-13
Abstract: 1,136,697. Grinding. FARREL CORP. 13 Sept., 1967 [18 Oct., 1966], No. 41741/67. Heading B3D. A roll grinding machine comprises a carriage 14 movable along a base 11, a grinding wheel head 31 mounted on the carriage and movable transversely to a roll 16 on the machine, power-operated means 41 for moving the wheel head toward and away from the roll, means for moving the carriage along the base, means for generating a signal having a waveform representative of a desired crown to be ground on a roll, and means for coupling said signal to the power-operated means to cause the poweroperated means to move the wheel head transversely with respect to the length of the roll in accordance with the generated signal as the carriage is moved along the base. The roll is mounted on journal bearings 17, 18 adjustable along ways 19, 20 on the base and is rotated through gearing 22 from a motor 21. The carriage 14 is movable along ways 12, 13 on the base and supports a transversely movable sub-base 29 having a pivot 30 about which the grinding wheel head 31 is pivotally mounted. Pivotal movement may be effected by rotation of a lead screw 39 having a nut 38 at one end of a lever 33 engaging a knife edge 36 on the sub-base, an intermediate part of the lever being pivoted to a second lever 34 which engages a knife edge 37 on the head 31 and has a roller 40 engaging the power-operated means 41 consisting of a vertically movable piston. Rotation of the lead screw effects infeed of the wheel head whereas movement of the piston controls the crowning of the roll. The piston 41 is connected by a screw-and-nut mechanism and gearing in a housing 50 to a motor 69 and is controlled by an electric circuit including a synchro-transformer 48 driven by gearing 44 engaging a rack 43 on the base during movement of the carriage 14 along the base 11. The transformer 48 drives, through an amplifier and screw-motor, a function generator which produces a signal which varies in amplitude with movement of the carriage' and has a potentiometer adapted to generate, for example, a cosine or trapezoidal function, the crowning produced corresponding to such function.
Patent GB-948502-A (GB)
Title: Stabilized polypropylene
IPC: C08K5/39
Filed: 1961-11-22
Abstract: Isotactic polypropylene is stabilized with a synergistic composition comprising a nickel dithiocarbamate of formula: <FORM:0948502/C3/1> and a nickel phenolate of a thio-bis (alkylphenol) of formula: <FORM:0948502/C3/2> wherein R, R1, R2 and R3 are C1 to C18 hydro-carbon radicals and R4,R5,R6 and R7 are C1 to C12 hydrocarbon radicals.
Patent GB-1449157-A (GB)
Title: Photosensitive composition
IPC: C08L33/02
Filed: 1973-09-06
Abstract: 1449157 Photosensitive resin compositions MITSUBISHI CHEMICAL INDUSTRIES Ltd 6 Sept 1973 [6 Sept 1972] 42033/73 Headings C3P and C3R [Also in Division G2] Compositions suitable for coating substrates to provide photosensitive layers which can be hardened by exposure to actinic radiation comprise (a) a photosensitive resin containing radicals of the formula wherein X and Y can be the same or different and each represents a hydrogen or halogen atom or a cyano or nitro radical, Ar represents a substituted or unsubstituted aryl radical, and n is 1 or 2; and (b) a solvent of the formula wherein R and R<SP>11</SP> can be the same or different and each represents a C 1 -C 3  alkyl radical and R<SP>1</SP> represents a C 1 -C 4  alkylene radical. Typical photosensitive polymers include polyvinyl compounds bearing cinnamate or substituted cinnamate radicals in side chains; polyglycidyl cinnamate and polyglycidyl substituted cinnamates; and reaction products of polyepichlorohydrin or polyepibromohydrin and cinnamic acid or a substituted cinnamic acid. Examples of the solvent are methoxy- and ethoxy-substituted propanone-2, butanone-2, pentanone-2, pentanone-3 and 4-methylpentanone-2. The solvent used enables coatings to be obtained which are uniform and have few pin holes. The compositions may include conventional sensitizers, e.g. aromatic nitro compounds, ketones, quinones, anthrones or pyrylium salts, as well as stabilizers, plasticizers, dyestuffs and pigments. Coatings may be applied to metal, plastics, silicon, glass or paper substrates and exposed through a mask. Applications include printing plates, IC, LSI, chemical milling, relief printing, intaglio processing, precision processing, and integrated circuits.
Patent GB-1223619-A (GB)
Title: 4-hydroxybenzenesulphonyl derivatives, the preparation thereof and compositions containing them
Inventor: YATES JOHN
IPC: C07C309/75
Filed: 1968-09-04
Abstract: 1,223,619. 4 - Hydroxybenzenesulphonyl derivatives. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 17 July, 1969 [4 Sept., 1968[, No. 42054/68. Heading C2C. [Also in Division A5] Novel 4-hydroxybenzenesulphonyl derivatives of the general formula wherein R 1  is a hydrogen atom, an optionally alkyl-substituted ammonium ion or an acyl group; X is a hydrogen or halogen atom or a nitro group; Y is a halogen atom or an optionally substituted sulphonamido group; and Z is an alkoxy or azido group or a group of the formula NR 2 R 3  in which R 2  is a hydrogen atom or an alkyl group and R 3  is a hydrogen atom or an alkyl, alkoxy, hydroxy, amino or acyl group, or R 2  and R 3 , together with the nitrogen atom to which they are attached, form a saturated heterocyclic ring, with the proviso that when X and Y are both a bromine atom and are located at the 3- and 5-positions of the benzene ring relative to the sulphonyl group and R 1  is a hydrogen atom, then Z is not an amino group, are prepared (a) when R 1  is a hydrogen atom and Z is a group of the formula NR 2 R 3  in which R 3  is not an acyl group, by reaction of a 4- hydroxybenzenesulphonyl halide of the general formula wherein Hal is a halogen atom, with an excess of ammonia or an amine of the general formula R 2 R 3 NH and acidification of the reaction mixture; (b) when R 1  is an optionally alkylsubstituted ammonium ion, by treatment of the corresponding compound of the first general formula above wherein R 1  is a hydrogen atom with ammonia or an amine; (c) when R 1  is a hydrogen atom and Z is an alkoxy or azido group, by treatment of a 4-hydroxybenzenesulphonyl halide of the second general formula above with an alcohol or an alkali metal azide, respectively; (d) when R 1  is an acyl group, by reaction of the corresponding compound of the first general formula above wherein R 1  is a hydrogen atom with an acyl halide of the general formula R 1 Hal, wherein Hal is a halogen atom; (e) when R 1  is an alkylcarbamoyl group, by reaction of the corresponding compound of the first general formula above, wherein R 1  is a hydrogen atom with an alkyl isocyanate; (f) when Z is an acyl-substituted amino group, by heating under reflux the corresponding compound of the first general formula above wherein Z is an amino group and an acyl halide of the fourth general formula above; (g) when X and Y are both an iodine atom and R 1  is a hydrogen atom, by heating a 4-hydroxybenzenesulphonyl derivative of the general formula with an excess of iodine chloride; and (h) when Y is a sulphonamido group and R 1  is a hydrogen atom, by reaction of a bis-(halosulphonyl)- phenol of the general formula wherein Hal is a halogen atom, with an amine of the third general formula above.
Patent GB-1517787-A (GB)
Title: Tube method for the preparation of olefinic siloxane compounds
IPC: C08G77/398
Filed: 1975-10-15
Abstract: 1517787 Olefinic siloxane compounds DOW CORNING CORP 5 Oct 1975 [2 Dec 1974] 42199/75 Headings C3S and C3T A method of preparing an olefinic siloxane compound comprises passing a vaporized mixture of an acetylenic alcohol, a platinum catalyst, which is soluble in the mixture to be vaporized, and a siloxane compound having at least 3 silicon-bonded hydrogen atoms bonded to at least 3 different Si atoms, through a tube heated at a temperature of from 210‹ C. to 450‹ C., and collecting as the reaction product an olefinic siloxane compound having at least one silicon-bonded hydrogen atom which is an inhibitor for the reaction between the acetylenic alcohol and the siloxane compound having at least 3 Si-bonded hydrogen atoms in the presence of a platinum catalyst at temperatures below 100‹ C., the vaporized mixture containing from 0À01 to 2 p.p.m. of Pt. The vapours containing the reaction product may be condensed in a single condenser with subsequent distillation of the reaction product, or in a multiple condenser system in series, the temperatures of the condensers decreasing from the one immediately connected to the heated tube such that the highest boiling compound is condensed and separated from the reaction product first and the lowest boiling compound of the reaction mixture is last to be condensed. The residence time for the reaction mixture in the heated tube is generally from 5 to 120 seconds. The tube can be straight, coiled or S-shaped. Suitable acetylenic alcohols include 3-methyl-1-butyn- 3-ol, 1-ethynylcyclohexan-1-ol, 3,5-dimethyl-1- hexyn-3-ol and 3-methyl-1-pentyn-3-ol. The siloxane compound containing at least 3 Si-H atoms can be straight chain, linear or cyclic and may have any one of the following formula: where R is a monovalent hydrocarbon radical having no aliphatic unsaturation or a fluorinated hydrocarbon radical and wherein the number of siloxane units vary from 3-50. Preferred siloxane compounds are Suitable Pt catalysts are chloroplatinic acid, platinum chlorides, platinum salts, and platinous halide complexes with olefins. The molar ratio of acetylenic alcohol to siloxane compound having at least 3 Si-H atoms is preferably 1:1. Generally at least 80% of the addition products obtained is a mixture of mono- and di-adducts. In Example 1 olefinic-siloxane compounds are prepared by passing a vaporized mixture of 3- methyl-1-butyn-3-ol, a siloxane of formula and a chloroplatinic acid complex with divinyltetramethyldisiloxane through a stainless steel tube at a temperature of 350-375‹ C. using a helium gas carrier the product being a mixture of the mono-, di-, and tri-adducts. In Example 4 a composition is prepared which does not cure at room temperature but cures to an elastomer when heated to 150‹ C., which comprises a phenylmethyl vinylsiloxy-endblocked polydimethylsiloxane (400 cs.), five micron quartz, the Pt catalyst used in Example 1, a siloxane of formula and a siloxane of formula which is the mono-adduct obtained by a process similar to Example 1.
Patent GB-1474304-A (GB)
Title: Process for the reactivation of nickel catalysts used in the hydrogenation of polymeric peroxides
IPC: C07C31/20
Filed: 1975-10-15
Abstract: 1474304 Catalyst reactivation TOYO SODA MFG CO Ltd 15 Oct 1975 [15 Oct 1974] 42277/75 Heading B1E [Also in Division C2] Nickel catalysts used in the hydrogenation of organopolymeric peroxides are reactivated by separation from the reaction mixture and heating at 140-250‹C in an organic liquid inert to the reactivation conditions in the presence of hydrogen. The liquid is suitably oxygen-containing polar organic solvent, e.g. methanol, tetrahydrofuran, a fatty acid ester or dioxane. The reactivation is suitably effected at 1-300 kg/cm<SP>2</SP>. The catalyst may comprise elemental nickel and elemental copper, chromium, rhenium or iron supported on a carrier, e.g. diatomaceous earth, alumina, silica gel or pumice. Suitably, it comprises at least 30% wt of nickel.
Patent GB-1475366-A (GB)
Title: Plasticised vinyl chloride floor covering compositions
IPC: C08L27/06
Filed: 1974-09-30
Abstract: 1475366 Plasticized polyvinyl chloride mats DYCEM PLASTICS Ltd 24 Sept 1975 [30 Sept 1974] 42377/74 Heading C3P A dust and bacteria collecting mat comprises a sheet of plastics material containing 25-55% by weight of polyvinyl chloride and 75-45% by weight of a plasticizer, preferably a secondary plasticizer which exudes to the surface of the mat to such an extent that the mat surface is covered by a thin, self-regenerating film of plasticizer. Suitable plasticizers are a modified polyester, a glycol ester of a straight chain dibasic acid or a monomeric ester of a straight chain dibasic acid with a C 4 -C 14  monohydric alcohol. Optionally a stabilizer may be included, e.g. a mixture of zinc and calcium stearates dispersed in epoxidized soya bean oil.
Patent GB-1280504-A (GB)
Title: Machine for filling bags of plastics material with metered quantities liquid
IPC: B65B65/04
Filed: 1969-08-26
Abstract: 1280504 Filling bags CENTRA ANSTALT 26 Aug 1969 [31 Oct 1968] 42410/69 Heading B8C A machine for filling bags of plastics material with metered quantities of liquid comprises a frame 2 adapted to be indexed about an axis 3 and carrying a plurality of jaws 4, 4<SP>1</SP>, 4<SP>11</SP>, each adapted to be opened and closed and to hold by suction the open edges of a bag to be filled, metering means 6 adapted to deliver a metered quantity of liquid into a bag held by a pair of jaws below the metering means, a supply device 7 for supplying the empty bags at the beginning of a filling cycle, a pair of welding jaws 8 for thermo-impulse welding together the open edges of each bag after filling, the indexing motion being imparted to the frame by means of a Geneva wheel mechanism 10 and there being holding means 11, for holding the frame 2 in a predetermined position during each dwell period of the frame, the holding means being connected for actuation by a first cam 13 which also controls operation of the metering means 6 and including a second cam 17 adapted to arrange for the closing of the bags after the filling but before the commencement of movement of the frame 2. As shown, cams 18, 19, 20 on a shaft 51 control the introduction of the bags and the welding jaws 8. The Geneva wheel is actuated by a pin 38 on a disc 39 rotated by the shaft 51. On its under surface, the wheel is engageable by a pin 11 actuated by a lever 40 controlled by the cam 13. The cam 17 operates an arm (48), Fig. 8 (not shown), which swings a tappet means (54) into engagement with a pivot (56) to close the jaws 4.
Patent GB-947154-A (GB)
Title: Improvements relating to coining
Inventor: TURNER PHILIP GEORGE
IPC: B21K1/32
Filed: 1959-12-14
Abstract: 947,154. Making discs; forging dies. HENRY WIGGIN & CO. Ltd. Dec. 14, 1960 [Dec. 14, 1959], No. 42447/59. Headings B3A and B3H. A process of making a coin blank is characterized in that a substantially carbon-free nickel pellet made by decomposing nickel carbonyl and of volume at least equal to that of the desired coin blank is stamped to the desired thickness and shape between dies, and any excess metal is removed by clipping. When the pellet 14 is of exactly the volume required for the coin blank 14<SP>1</SP> (Figs. 3 and 4) stamping dies 10 and 11 having die cavities 12 and 13 are used. If the pellet is of larger volume than that required for the coin blank, the upper die is enlarged, Fig. 5, to accommodate the flash. For producing thin coin blanks, dies 22 and 25, Fig. 7, are used. The radius of curvature of the die cavity 26 is greater than that of the die cavity 24 and an annular space 27 is provided in the die 22 for excess metal. Specification 620,287 is referred to.
Patent GB-1195016-A (GB)
Title: Improvements in or relating to Welding Apparatus and Methods.
Inventor: GIFFORD ALAN FREDERICK
IPC: B23K9/02
Filed: 1966-09-23
Abstract: 1,195,016. Welding by fusion. INTERNATIONAL COMBUSTION (HOLDINGS) Ltd. 22 Sept., 1967 [23 Sept., 1966], No. 42609/66. Heading B3R. In welding plates, e.g., by electroslag welding, a consumable guide for one or more consumable electrodes is held in the welding gap by a series of supports detachably secured to one or both plates. Members 5 having slots 6 to receive bars 7 are attached, e.g., by welding, to the plates 1, 2 on both sides. A consumable guide tube 13 of a guide assembly of tubes 20, 21, Fig. 6, and a spacer 22 for guiding a plurality of electrodes is supported by shaped thermally insulating blocks 11 adjustably mounted on members 17 fixed to the bars 7. The lower bars support melt retaining pads 9. As welding proceeds upwards, the bars 7 are removed and replaced by bars and their associated pads 9. In a modification the bars 7, are secured to the members 5 by quick-release clamps. Alternatively the bars may be supported by one member 5 in cantilever manner.
Patent GB-1481456-A (GB)
Title: Axial piston internal combustion engine
IPC: F01B3/00
Filed: 1974-10-02
Abstract: 1481456 Bearings U ROHS 2 Oct 1974 [12 Oct 1973] 42825/74 Heading F2A [Also in Division F1] An axial piston I.C. engine comprises a rotatable drum 3 journalled in a stationary housing 1 and provided with cylinder bores 5 in which are guided pistons 6 connected by rods 7 to a swash plate 8 which is supported on two interconnected hydrostatic axial thrust bearings 32, 33 fed by an oil pressure source (pump 29) and on an axial thrust friction bearing 34. Oil from the pump passes via conduit 28 and duct 27 to bearing 33 in which the pressure is controlled by leakage past a slit 16. Bores 31 connect the bearings 32 and 33 and the friction (e.g. roller) bearing 34 is provided between the plate 8 and a sleeve 14 mounted for rotation on a trunnion 35, whose axis 23 makes an angle # with the geometric axis of the sleeve 14. Surfaces 18, 42 of the sleeve 14 form radial hydrodynamic bearings for the swash plate 8 and an axial thrust bearing 4 is supplied with oil from the pump 29. The swash plate 8, which is connected to the drum 3 by way of a jaw clutch 41 similar to a bevel gear or by a Cardan type joint, is surrounded by an annular housing 38 and is formed with bores 39 to pass lubricant to heads 40 of the connecting rods 7 from where it passes to the pistons by way of the hollow rods to cool the pistons. Air is supplied to the cylinders 5 by way of inlet slots 5<SP>1</SP> and fuel is supplied via a feed pipe 11 to a single combustion chamber 10. Exhaust gases leave via a conduit 9.
Patent GB-1287565-A (GB)
Title: Improvements in or relating to a self-advancing mine roof support
Inventor: SHUTTLEWORTH PETER
IPC: E21D23/20
Filed: 1968-09-10
Abstract: 1287565 Advancing mine roof supports MASTABAR MINING EQUIPMENT CO Ltd 9 Sept 1969 [10 Sept 1968] 42891/68 Heading E1P In an advancing mine roof support, controls, for adjusting props 14, 16 and a horizontal ram (not shown) for connection to a conveyor are arranged at a side of the support so as to obviate the need for the operator to be underneath the canopy. The controls are combined into a single lever 24 for controlling the release valves contained in block 22. The lever may occupy one neutral position and four operating positions and is connected to shafts 32, 34, mounted for sliding and pivotal motion respectively. When two levers are provided, one on each side, they are interlinked so as to have corresponding operating positions. The levers may be arranged so that a push-pull fence only is required to release the valves (Fig. 4).
Patent GB-931290-A (GB)
Title: Improvements in or relating to hollow glass articles
Inventor: BUDD SIDNEY MAURICE
IPC: C03C23/00
Filed: 1960-12-14
Abstract: 931,290. Glass manufacture. UNITED GLASS Ltd. Nov. 10, 1961 [Dec. 14, 1960], No. 43019/60. Class 56. To prevent the formation of a " bloom " caused by the presence of alkali in the glass, the interior of hollow glass articles are treated with hydrochloric acid on leaving the annealing lehr at a temperature below 100‹ C. The acid may be applied as a spray in methyl alcohol or by introducing into the article, hydrogen chloride gas, formed by passing air through a 15-35% aqueous solution of hydrochloric acid. The latter treatment is followed by introducing acid free air into the article.